tests/helper-runtests.sh

hgweb: deduplicate code

A following patch will change the way keys and values are encoded. To reduce the
diff, I’ve split off the uninteresting part.

#
# Avoid interference from actual test env:

unset HGTEST_JOBS
unset HGTEST_TIMEOUT
unset HGTEST_PORT
unset HGTEST_SHELL